Cody

Problem 1958. Add a row of zeros on top of a matrix

Solution 1543881

Submitted on 30 May 2018 by Srishti Saha
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Test Suite

Test Status Code Input and Output
1   Pass
x = rand(4); y_correct = [zeros(1,size(x,2));x]; assert(isequal(addrow(x),y_correct))

ans = 0 0 0 0 0.6402 0.8864 0.2020 0.8227 0.0294 0.8286 0.6053 0.8538 0.6458 0.7681 0.4961 0.1670 0.0425 0.8887 0.5327 0.2636

2   Pass
x = []; y_correct = zeros(1,0); assert(isequal(addrow(x),y_correct))

ans = 1×0 empty double row vector

3   Pass
x = rand(8,1); y_correct = [zeros(1,size(x,2));x]; assert(isequal(addrow(x),y_correct))

ans = 0 0.4368 0.9863 0.5528 0.8971 0.3363 0.0813 0.1837 0.2120

4   Pass
x = zeros(0,1); y_correct = 0; assert(isequal(addrow(x),y_correct))

ans = 0

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